Services for George Weinhagen, former president and board chairman of the A, George Schulz Co., will be held at 2 P.M. Wednesday at the Weiss funeral home, 1901 N. Farwell Ave. Mr Weinhagen, 82, of 826 E. Birch Ave., Whitefish Bay, died Thursday at Columbia hospital after a heart attack. He had been retired since 1953. Mr Weinhagen was the son of the co-founder of the Shulz company, established in 1877. He was with the company throughout his career and was promoted from secretary-treasurer to president and board chairman in the early 1950's. Mr Weinhagen graduated from the Milwaukee Academy and attended the Massachusetts Institute of Technology.